Redbank Plains weather in September

In September, Redbank Plains sees average daytime highs of 26°C and overnight lows near 11°C, with 26 mm of rain across 3.7 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 63% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Redbank Plains's 3rd-clearest and 7th-windiest month. For the whole year in context, see Redbank Plains's year-round climate.

Daytime high
26°
8th warmest
Overnight low
11°
4th coldest
Rainfall
26 mm
3.7 wet days
Daylight
11 h 48 min
5:48 AM – 5:38 PM
Cloud cover
32%
3rd clearest
Wind
8 km/h
7th windiest
Solar energy
5.27 kWh/m²
Travel score
8.2
out of 10

Redbank Plains is suburb of Ipswich, Queensland, Australia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical September day in Redbank Plains reaches about 26°C in the afternoon and slips back to 11°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, September runs about 3°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12410
22410
32410
42410
52410
62510
72510
82510
92510
102510
112510
122510
132511
142511
152611
162611
172611
182611
192611
202612
212612
222612
232712
242712
252712
262712
272713
282713
292713
302713

How September really feels in Redbank Plains

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Redbank Plains weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°929.513.64.6
Feb30° / 20°898.4135.0
Mar29° / 19°606.712.26.1
Apr27° / 15°223.911.47.7
May24° / 12°404.310.78.1
Jun21° / 354.210.37.8
Jul21° / 21310.48.1
Aug23° / 263.2118.5
Sep26° / 11°263.711.88.2
Oct27° / 14°556.812.77.2
Nov29° / 17°597.413.45.9
Dec30° / 19°849.313.75.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67921
78020
88020
98020
108020
118020
128020
138020
148020
158020
168020
178020
188020
198020
208020
217921
227921
237921
247921
257921
267921
277822
287822
297921
307822

Chance of precipitation in September

Any precipitation

Redbank Plains gets around 26 mm of rain over 3.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 16% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
116
216
316
415
515
614
714
813
913
1013
1112
1212
1311
1411
1511
1611
1711
1811
1911
2011
2111
2211
2311
2412
2512
2612
2713
2813
2913
3014

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1811630
2811630
3811630
4811630
5811630
6811630
7811630
8811630
9811630
10811630
11811630
12811630
13801640
14791740
15781840
16761950
17752050
18732250
19712360
20692560
21682660
22652870
23642970
24633070
25613180
26603280
27603280
28583390
29583390
305534101

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over September. Sunrise moves from 6:06 AM to 5:31 AM, and sunset from 5:31 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:065:31
211.56:045:31
311.56:035:32
411.56:025:32
511.56:015:33
611.66:005:33
711.65:595:34
811.65:575:34
911.65:565:35
1011.75:555:35
1111.75:545:36
1211.75:535:36
1311.85:515:37
1411.85:505:37
1511.85:495:38
1611.85:485:38
1711.95:475:38
1811.95:455:39
1911.95:445:39
2012.05:435:40
2112.05:425:40
2212.05:405:41
2312.05:395:41
2412.15:385:42
2512.15:375:42
2612.15:365:43
2712.15:345:43
2812.25:335:44
2912.25:325:44
3012.25:315:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 6.37 kWh/m² in December across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Redbank Plains

In seasonPeak

None of Redbank Plains's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Redbank Plains sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Redbank Plains's rainy season runs October–March, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Redbank Plains?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.2
Sightseeing
2nd-best month of the year
7.6
Beach & pool
3rd-best month of the year

September is one of the better times to visit Redbank Plains for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Redbank Plains in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Redbank Plains sees daytime highs around 26°C and nights near 11°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Redbank Plains in September

The nearest coast averages about 20°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 km away) is warmest in February at about 27°C and coldest in August near 20°C.

It's comfortable for a long swim from Sep 1 to Jul 23 — about 10.7 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar26Warm
Apr24Warm
May23Refreshing
Jun21Refreshing
Jul20Refreshing
Aug20Cool
Sep20Refreshing
Oct22Refreshing
Nov24Refreshing
Dec25Warm

UV index in Redbank Plains in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Redbank Plains peaks around February 8 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeFeb 8UV 13Jun 19UV 4
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Redbank Plains?

Redbank Plains sits at 27.6°S, 152.9°E, 57 m above sea level, in Australia. The nearest listed city is Springfield Lakes, 7.0 km away.

Topography around Redbank Plains

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Redbank Plains.

Within 3 km, the terrain around Redbank Plains has only modest variations in elevation — a maximum elevation change of 166 m around an average of 62 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 439 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,399 m.

The land around Redbank Plains is covered by trees (43%) and artificial surfaces (37%) within 3 km, trees (63%) within 16 km, and trees (50%) and grassland (24%) within 80 km.

3 km
166 m
16 km
439 m
80 km
1,399 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Springfield Lakes 7.0 km · Forest Lake 11 km · Calamvale 19 km · Sunnybank Hills 20 km · The Gap 24 km · Logan City 25 km · Eight Mile Plains 25 km · Brisbane 26 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Redbank Plains (-27.6461°, 152.8596°, elevation 57 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).